---
product_id: 23559300
title: "Treva 10 in Portable Desktop Battery Fan 2-Speed with AC Adapter Graphite"
brand: "o2cool"
price: "€ 98.48"
currency: EUR
in_stock: true
reviews_count: 13
category: "O2 Cool"
url: https://www.desertcart.sk/products/23559300-treva-10-in-portable-desktop-battery-fan-2-speed-ac
store_origin: SK
region: Slovakia
---

# Dual-speed with low noise operation Battery-powered for ultimate portability 10-inch patented blade for max airflow Treva 10 in Portable Desktop Battery Fan 2-Speed with AC Adapter Graphite

**Brand:** o2cool
**Price:** € 98.48
**Availability:** ✅ In Stock

## Summary

> 🌬️ Stay cool, stay ahead—portable power that moves with you!

## Quick Answers

- **What is this?** Treva 10 in Portable Desktop Battery Fan 2-Speed with AC Adapter Graphite by o2cool
- **How much does it cost?** € 98.48 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sk](https://www.desertcart.sk/products/23559300-treva-10-in-portable-desktop-battery-fan-2-speed-ac)

## Best For

- o2cool enthusiasts

## Why This Product

- Trusted o2cool brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Portable Powerhouse:** Runs on 6 D-cell batteries or AC adapter for uninterrupted cooling anywhere.
- • **Customizable Cooling:** Adjustable tilt lets you direct airflow exactly where you need it—personalized comfort at your fingertips.
- • **Durable & Dependable:** Sturdy plastic build with patented blade design ensures long-lasting performance and extended battery life.
- • **Whisper-Quiet Comfort:** Two-speed settings deliver refreshing airflow with minimal noise, ideal for work or sleep.
- • **Compact & Travel-Ready:** Folds flat with built-in handle—perfect for on-the-go professionals and outdoor escapes.

## Overview

The Treva 10-inch Portable Desktop Battery Fan combines versatile power options—battery or AC adapter—with a compact, foldable design and patented blades that maximize airflow while minimizing noise. Engineered for durability and convenience, it’s the perfect cooling companion for professionals on the move, outdoor enthusiasts, and anyone seeking reliable, customizable airflow anytime, anywhere.

## Description

desertcart.com: Treva 10 in Portable Desktop Battery Fan 2-Speed with AC Adapter Graphite | Yes : O2-Cool: Home & Kitchen

Review: This fan is amazing! - This fan is amazing!! It fits perfectly in my carry-on and had kept me cool all over the world. A perfect travel companion for stuffy rooms with no AC. The sound is a great white noise for sleeping. It has 2 speeds and can be angled to blow right on you or more up to the ceiling. I never travel without it.
Review: Update after using for four years - Original post: We used this on a three-night camp trip into southern Iowa in August. It made all the difference for getting a good night's sleep. It created enough of a breeze on the low setting to give relief without blowing too hard. On the low setting there wasn't quite enough white noise to cover campground sounds or animals treading about but the high setting did a good job of covering noise. The batteries gave enough weight in the base for it to remain upright all night. We like that it folds up to a very portable size and doesn't take up much room among the camp gear. Update one year and three months after purchase: We returned the original purchase as it was defective and got a replacement without any issues. Very reliable fan. Ended up using it in the bedroom for white noise on the low setting. Folded up, it propped easily into the window. The high setting brought in enough evening air to cool the room for night sleeping and the low setting is perfect white noise. It has run for eight hours a night for 15 months. Other fans we've had tended to develop vibration noises after several months, very annoying and not conducive to falling asleep. Not this one. It sounds and performs the same as the day it came out of the box. The only caveat I have to add is that the covering on the cord separated near the fan body's plug-in point, exposing the little wires within AC adapter cord. It came as a result of the cord bending downward at the connector every night to plug into an outlet below the window. It's beyond repair and needs replacement. We tried a couple of power adapter cords from several electronic devices we have but none worked. I see that a replacement AC adapter cord is available from the manufacturer for $12, about half the price of the unit itself. Based on the performance of the fan, we figure it's worth it. The old cord will go to electronic recyclers. As a precaution, so the same thing doesn't happen again on the new cord, we'll probably wrap some electrician's tape around the first couple of inches at the connection to support and ease the bend in the cord. Overall, it's been a good little fan and worth the purchase. UPDATE FOUR YEARS AFTER PURCHASE: still going! Still using it every single night for white noise. Sometimes it makes a little squealing noise for a couple of seconds but giving it a quick smack makes it stop.

## Features

- BATTERY -OPERATED PORTABLE FAN. You can cool off when you’re at home, work or outdoors with O2COOL’s 10-Inch Battery-Operated Portable Fan. Perfectly sized, it won’t take up much space and features a convenient folding design and a built-in handle for easy storage and transport.
- DURABLE CONSTRUCTION. Durably crafted using sturdy plastic construction for long-lasting strength and use, this portable fan boasts a patented fan blade design which extends the battery life while maximizing airflow.
- TWO-SPEED OPERATION. Featuring a powerful 10-inch blade, this fan offers high and low speeds to accommodate your needs. Both settings deliver refreshing air with minimal noise to prevent distractions. You can also adjust the tilt of the fan for directional airflow and ideal cooling comfort on hot, sticky days.
- EASY TO USE. Position fan face down, slide out the battery door and insert batteries following (+/-) marks, then replace door. Slide switch located on the side of fan to your preferred setting. To operate fan using AC power (120-240 VAC, 50-60 Hz), use supplied adapter only.
- EMERGENCY/DISASTER PREPAREDNESS. Make sure you’re prepared the next time a power outage occurs due to a thunderstorm, hurricane, lightning or high winds. For added convenience, the fan runs on six D-cell batteries (not included) or you can plug it in using the included AC adapter. Inserting the adapter plug into the fan disconnects the installed batteries from the circuit.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B013BOC6VC |
| Best Sellers Rank | #92,128 in Home & Kitchen ( See Top 100 in Home & Kitchen ) #156 in Table Fans |
| Blade Length | 10 inches |
| Blade Material | Plastic |
| Brand | O2COOL |
| Brand Name | O2COOL |
| Collection Name | Home |
| Color | Grey |
| Control Method | Touch |
| Controller Type | Button Control |
| Customer Reviews | 4.5 out of 5 stars 9,058 Reviews |
| Electric Fan Design | Table Fan |
| Electric fan design | Table Fan |
| Finish Type | Metallic Grey |
| Global Trade Identification Number | 00755247164694 |
| Included Components | AC Adapter, Fan |
| Indoor Outdoor Usage | Indoor |
| Installation Type | Freestanding |
| Item Dimensions D x W x H | 12"D x 12"W x 12.4"H |
| Item Type Name | Compact Folding & Tilt Design, with AC Adapter (Graphite) |
| Item Weight | 2.1 pounds |
| Manufacturer | O2COOL |
| Material | Plastic |
| Model Name | 10-Inch Portable Desktop Air Circulation Battery Fan, 2 Speed |
| Model Number | FD10101A |
| Motor Type | DC |
| Mounting Type | Freestanding, Tabletop Mount |
| Number of Blades | 5 |
| Number of Packs | 1 |
| Number of Power Levels | 2 |
| Number of Speeds | 2 |
| Part Number | FD10101A |
| Power Source | Battery Powered |
| Product Dimensions | 12"D x 12"W x 12.4"H |
| Recommended Uses For Product | Air Circulation, Ventilating |
| Room Type | Bedroom |
| Size | Single |
| Special Features | AC Adapter, Battery Powered, Travel Fan |
| Standby Power Shutoff | High Efficiency |
| Style | Classic |
| Switch Type | Push Button |
| UPC | 755247164694 754335420056 |
| Unit Count | 1 Count |
| Voltage | 240 volts |
| Warranty Description | Fd10101a. |
| Wattage | 6.3 watts |

## Product Details

- **Brand:** O2COOL
- **Color:** Grey
- **Electric fan design:** Table Fan
- **Mounting Type:** Freestanding, Tabletop Mount
- **Power Source:** Battery Powered
- **Product Dimensions:** 12"D x 12"W x 12.4"H
- **Recommended Uses For Product:** Air Circulation, Ventilating
- **Room Type:** Bedroom
- **Special Feature:** AC Adapter, Battery Powered, Travel Fan
- **Style:** Classic

## Images

![Treva 10 in Portable Desktop Battery Fan 2-Speed with AC Adapter Graphite - Image 1](https://m.media-amazon.com/images/I/81AOkgXrowL.jpg)

## Available Options

This product comes in different **Size** options.

## Questions & Answers

**Q: battery life**
A: After Hurricane Laura I used this for 6 nights and a good bit during day on the batteries that were already in before hurricane.    Replaced batteries on 8th day as the fan was slowing down.  Duracell coppertop batteries.   This is a great fan for the hurricane /emergency box.

**Q: how do you get it open to insert the batteries no directions**
A: Open the fan. On the flat part the holds the fan upright there are 2 plastic screw like things. This piece is shaped like a U. Turn each with a screw driver to remove. Then pop off the top cover. The batteries are inserted inside. Replace the cover and plastic screw like pieces and tighten them.

**Q: Is there a DC car adapter for this fan**
A: Got mine today, 2/11/2022. It came with an ac adapter.

**Q: How loud is it?**
A: It is quite. I wouldn't be able to sleep with a loud fan. I used it in a cruise cabin with no problem.

## Customer Reviews

### ⭐⭐⭐⭐⭐ This fan is amazing!
*by J***E on August 18, 2026*

This fan is amazing!! It fits perfectly in my carry-on and had kept me cool all over the world. A perfect travel companion for stuffy rooms with no AC. The sound is a great white noise for sleeping. It has 2 speeds and can be angled to blow right on you or more up to the ceiling. I never travel without it.

### ⭐⭐⭐⭐⭐ Update after using for four years
*by J***A on September 22, 2016*

Original post: We used this on a three-night camp trip into southern Iowa in August. It made all the difference for getting a good night's sleep. It created enough of a breeze on the low setting to give relief without blowing too hard. On the low setting there wasn't quite enough white noise to cover campground sounds or animals treading about but the high setting did a good job of covering noise. The batteries gave enough weight in the base for it to remain upright all night. We like that it folds up to a very portable size and doesn't take up much room among the camp gear. Update one year and three months after purchase: We returned the original purchase as it was defective and got a replacement without any issues. Very reliable fan. Ended up using it in the bedroom for white noise on the low setting. Folded up, it propped easily into the window. The high setting brought in enough evening air to cool the room for night sleeping and the low setting is perfect white noise. It has run for eight hours a night for 15 months. Other fans we've had tended to develop vibration noises after several months, very annoying and not conducive to falling asleep. Not this one. It sounds and performs the same as the day it came out of the box. The only caveat I have to add is that the covering on the cord separated near the fan body's plug-in point, exposing the little wires within AC adapter cord. It came as a result of the cord bending downward at the connector every night to plug into an outlet below the window. It's beyond repair and needs replacement. We tried a couple of power adapter cords from several electronic devices we have but none worked. I see that a replacement AC adapter cord is available from the manufacturer for $12, about half the price of the unit itself. Based on the performance of the fan, we figure it's worth it. The old cord will go to electronic recyclers. As a precaution, so the same thing doesn't happen again on the new cord, we'll probably wrap some electrician's tape around the first couple of inches at the connection to support and ease the bend in the cord. Overall, it's been a good little fan and worth the purchase. UPDATE FOUR YEARS AFTER PURCHASE: still going! Still using it every single night for white noise. Sometimes it makes a little squealing noise for a couple of seconds but giving it a quick smack makes it stop.

### ⭐⭐⭐⭐ It's different from my old one, in both good and bad ways. Overall a great little fan.
*by D***R on January 5, 2021*

This is actually my 3rd O2Cool fan, I like them, a LOT, but they keep seeming to grow feet and walk off every few hunting seasons. More specifically in a rush to get back to civilization before the ultra nasty weather sets in, somebody forgets to haul the battery fan out of the rented bunk house and it is never there when we get back next year... These fans have been around for quite some time now, this is the first I have found them on Amazon. Over the years a couple of things have changed, and this one has an annoying change, but let's start with the good shall we? The good. I have never had one of these die on me aside from batteries running out, not the fans fault per se. Durability with my use is good. I use this to shove heated air from a Mr. Heater Portable buddy around the bunk house, or tent to allow the heat to circulate instead of simply rise straight up and throgh the ceiling. It makes a massive difference in comfort anywhere away from the heater. And no, do NOT place this too close to the front of the heater! Operation is simple and smooth. I use the Amazon basics batteries for this, I need to upgrade to rechargeable D cells but have been too cheap to do so as of yet.... Battery life is good, can't really say how long because I don't run it 24x7, but on our camping trips we average 6 hours run time a night for weekend trips (2 nights) and a set of batteries has been known to last a full camping season. Compared to the earlier model with the swing over handle, and more rigid glossy plastic housing, this newer model seems more ruggedly built, fewer moving plastic parts to fail, a smoother switch, overall better fit and finish. Like I said the earlier model had a swing over handle that had to be more expensive to manufacture vs. the extended lip landle on the top of this thing, but the newer handle design I would think would be far less likely to be a failure point. Keep it simple. The one place where they made a change that left me scratching my head and I do not feel is an improvement is the closures for the battery compartment. Previously they were slide latches that you simply slide over with your fingers, the new design requires some sort of straight edge tool like a screwdriver, a coin, or a swiss army knife to open up, all of which I have in camp, it's just an extra step, and additional engineering that made me wonder why they bothered changing it. It makes the battery compartment harder to get into. Earlier models you could buy an additional AC transformer to run the fan off of wall power. Mind you, when I camp, if I have 110V power available, I am going to use an electric heater with a built in fan and don't need this, BUT I can see for RV users and whatnot, they might want this. The good thing is this newer version included the transformer, and unfortunately no way to stow it. Perhaps in future iterations they might consider designing in on board storage for the transformer to reduce the odds of it getting lost between uses. Overall I think it's a great little fan, 2 speeds, more than enough power to move air through a 10x12 family tent or 10x16 bunkhouse / hunting shack. If you need very portable, energy efficient, reliable, and effective air moving for a small space, this would be a highly recommended fan, just accept that it has foibles.

## Frequently Bought Together

- O2COOL Treva 10-Inch Portable Desktop Air Circulation Battery Fan, 2 Speed, Compact Folding & Tilt Design, with AC Adapter (Graphite)
- Duracell Coppertop D Batteries, 8 Count Pack, D Battery with Long-lasting Power, All-Purpose Alkaline D Battery for Household and Office Devices
- Treva 10-Inch Portable Fan, Powered by Battery and/or AC Adapter - Desk Fan Air Circulating with 2 Cooling Speeds, Personal Fan and Travel Fan for all your needs

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*Product available on Desertcart Slovakia*
*Store origin: SK*
*Last updated: 2026-09-21*